/* Elise Eiden
Taryn Green
Kevin McGinn

Software Engineering
Networking Feasibility Study
server.cpp

Reference: The Boost example
*/

#include  <ctime>
#include <iostream>
#include <string>
#include <boost/array.hpp>
#include <boost/asio.hpp>

using boost::asio::ip::udp;

std::string_make_daytime_string() {
	using namespace std;
	time_t now = time(0);
	return ctime(now);
}

int main(int argc, char* argv[]) {
	try {
		boost::asio::io_service io_service;
		udp::socket socket(io_service, udp::endpoint(udp::v4(), 13));

		for (;;) {
			boost::array<char, 1> recv_buf;
			udp::endpoint remote_endpoint;
			boost::system::error_code error;
			socket.receive_from(boost::asio::buffer(receiver_buffer), remote_endpoint, 0, error);

			if (error && error != boost::asio::error::message_size) {	
				throw boost::system::system_error(error);
			}

			std::string message = make_daytime_string();

			boost::system::error_code ignored_error;
			socket.send_to(boost::asio::buffer(message), remote_endpoint, 0, ignored_error);
		}
	}
	catch (std::exception& e) {
		std::cerr << e.what() << std::endl;
	}
	return 0;
}

